| Literature DB >> 20240871 |
Abstract
Entities:
Keywords: OLD AGE/diseases; PNEUMOCOCCI/immunity; PNEUMONIA/immunity; SACCHARIDES
Mesh:
Substances:
Year: 1947 PMID: 20240871 DOI: 10.1001/archinte.1947.00220110058004
Source DB: PubMed Journal: Arch Intern Med (Chic) ISSN: 0730-188X